Details
John Roger Arnold. A silver openface keyless ruby cylinder pocketwatch
Signed Jno. R. Arnold, London, No. 41, 1820s
The frosted gilt spring barrel movement with ruby cylinder escapement, three-armed balance with flat rim, ruby endstone, flat blued steel hairspring and bimetallic temperature curb, with early keyless winding system, the white enamel dial with Roman numerals, large subsidiary seconds, gold spade hands secured by a screw, in plain silver case with rounded fluted winder engaging in a bevel wheel in the movement, movement signed
54 mm. diam.
London 1820
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